Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Helleberg; Niels C.
Address:
Swampscott, MA
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
5351638 Keel assembly for a sailboat October 4, 1994
A keel assembly for a sailboat includes a base portion which is integrally formed with the underside of the hull of the sailboat, a keel portion which is adapted to be releasably received in assembled relation with the base portion, and a plurality of fastening element assemblies for sec










 
 
  Recently Added Patents
Scissors
Repeating frame battery with joining of cell tabs via welded-on male and female slip-fit connectors
Titanium compounds and complexes as additives in lubricants
Charge pump circuit and power-supply method for dynamically adjusting output voltage
Communication apparatus, and method and program for controlling same
Mobile terminal and method for displaying information
Switchable memory diodes based on ferroelectric/conjugated polymer heterostructures and/or their composites
  Randomly Featured Patents
Bulk fabricated electromagnetic micro-relays/micro-switches and method of making same
Direct optical fiber glass formation techniques using chemically and/or physically removable filamentary substrates
Wound headling composition of TGF-alpha and PDGF
Image display apparatus and information processing apparatus having the same and method of controlling image display apparatus
Mechanism for securely extending a private network
Acid-gas absorbing tablet and method of use
Electromagnetic shielding using through-silicon vias
Tire spike
Simplified tie restraint
Heat sterilizer for medical tube joint