Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573625 | Staple forming and driving machine | Paul Olesen, Richard J. Pendzich | 1986-03-04 |
| 4542844 | Staple forming and driving machine | Paul Olesen, Richard J. Pendzich | 1985-09-24 |
| D280070 | Staple cartridge | Paul Olesen, Richard J. Pendzich | 1985-08-13 |
| 4305541 | Electronically operated portable nail gun | Edward E. Barrett, Dusan Dubovsky, Steven Jay Hahn, Morris Pinczewski | 1981-12-15 |
| 4293088 | Electronically operated portable fastener driving tool | Edward E. Barrett, Steven Jay Hahn, Morris Pinczewski, Seymour Sobelman | 1981-10-06 |
| D254706 | Power-driven stapler | Edward E. Barrett, John C. Costello, Arthur J. Pulos | 1980-04-15 |
| 4183453 | Electronically operated portable fastener driving tool | Edward E. Barrett, Paul Olesen, Christian F. Becker, Morris Pinczewski, Wilfredo Febre +1 more | 1980-01-15 |