O. J. Roberts et al., "Portable Tufting Machine" (US3229653A)
Patent · not yet checked at the source
- Made by
- O. J. Roberts et al.
- Date
- filed 15 Jan 1964, granted 18 Jan 1966
- Held by
- Bigelow-Sanford (assignee)
- Number
- US3229653A
- Themes
- Hand-tufting tools & the gun, Tools & equipment
Cite this source
O. J. Roberts et al., “Portable Tufting Machine” (US3229653A), filed 15 Jan 1964, granted 18 Jan 1966; assigned to Bigelow-Sanford. patents.google.com/patent/US3229653A/en.
Research notes
A woven-carpet giant patenting a portable tufter. Patent research (Oct 2026): number, title, names and dates read from the USPTO scan.