Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| D1086350 | Ammunition magazine loader accessory | — | 2025-07-29 | |
| D351709 | Chute for concrete and insulation | — | 1994-10-18 | |
| 4751984 | Dynamically generated adaptive elevator velocity profile | Donald McPherson, Arnold Mendelsohn | 1988-06-21 | $8,651,000 |
| 4674604 | Elevator inner and outer door zone sensor arrangement | — | 1987-06-23 | $8,630,000 |