| name | Sierra Systems |
| file | Trademark OOPS Reg Nº 1183595 1981-12-29 (United States Patent and Trademark Office).pdf |
| filepage | |
| name | Sierra Systems |
| file | NewWest US 1979-08-13; page 10.png |
| filepage | |
| name | Sierra Systems |
| file | ANSI C X3J1188 Draft Proposed 1988-01-11 (X3 Project 381-D).pdf |
| filepage | 11 |
| name | Sierra Systems |
| file | FederalInformationProcessingStandardPublicationForInformationSystemsProgrammingLanguageC US 160 1989-12-14 (by National Institute of Standards and Technology).pdf |
| filepage | 9 |
| name | Sierra Systems |
| file | CashBox US 1977-11-12.pdf |
| filepage | 52 |
| name | Sierra Systems |
| file | VideoInvaders Book US.pdf |
| filepage | 39 |
| name | Sierra Systems |
| file | OldSchoolGamerMagazine US 12.pdf |
| filepage | 15 |
| name | Sierra Systems |
| file | VideoInvaders Book US.pdf |
| filepage | 40 |
| name | Sierra Systems |
| file | CashBox US 1979-01-06.pdf |
| filepage | 28 |
| name | Sierra Systems |
| file | CashBox US 1979-01-13.pdf |
| filepage | 29 |
| name | Sierra Systems |
| file | CashBox US 1979-06-30.pdf |
| filepage | 48 |
| name | Sierra Systems |
| file | OldSchoolGamerMagazine US 12.pdf |
| filepage | 16 |
| name | Sierra Systems |
| file | KeyRinger LLC Registration 2014-03-04 (California Secretary of State).pdf |
| filepage | |
| name | Sierra Systems |
| file | KeyRinger LLC Statement of Information 2014-06-02 (California Secretary of State).pdf |
| filepage | |
| name | Sierra Systems |
| file | KeyRinger LLC Statement of Information 2018-03-26 (California Secretary of State).pdf |
| filepage | |
| name | Sierra Systems |
| file | TheNationalLocksmith US 2001-12.pdf |
| filepage | 32 |
| name | Sierra Systems |
| file | TheNationalLocksmith US 2002-12.pdf |
| filepage | 30 |
| name | Sierra Systems |
| file | TheNationalLocksmith US 2003-12.pdf |
| filepage | 45 |
| name | Sierra Systems |
| file | Patent Assignment Cover Sheet 2013-12-12 (United States Patent and Trademark Office).pdf |
| filepage | 10 |
| company | Sierra Systems |
| division | |
| start | 1979[[Category:External JPEG reference]] |
| end | |
| tseries | |
| paddedtseries | 00000 |
| tseries2 | |
| paddedtseries2 | 00000 |